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An ASM fitting method based on machine learning that provides a robust parameter initialization for AAM fitting

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5 Author(s)
Wimmer, M. ; Perceptual Comput. Lab., Waseda Univ., Tokyo ; Fujie, S. ; Stulp, F. ; Kobayashi, T.
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Due to their use of information contained in texture, active appearance models (AAM) generally outperform active shape models (ASM) in terms of fitting accuracy. Although many extensions and improvements over the original AAM have been proposed, on of the main drawbacks of AAMs remains its dependence on good initial model parameters to achieve accurate fitting results. In this paper, we determine the initial model parameters for AAM fitting with ASM fitting, and use machine learning techniques to improve the scope and accuracy of ASM fitting. Combining the precision of AAM fitting with the large radius of convergence of learned ASM fitting improves the results by an order of magnitude, as our empirical evaluation on a database of publicly available benchmark images demonstrates.

Published in:

Automatic Face & Gesture Recognition, 2008. FG '08. 8th IEEE International Conference on

Date of Conference:

17-19 Sept. 2008